LangChain文档加载器实现lazy_load及其异步变体,alazy_load它返回Document对象的迭代器。 pip install -qU pypdf 代码: async def load_pdf_pages(file_path): from langchain_community.document_loaders import PyPDFLoader loader = PyPDFLoader(file_path) pages = [] async for page in loader.alazy_load...
Document(page_content='Oh no worries! Bye', metadata={'source': '/Users/avsolatorio/WBG/langchain/docs/modules/indexes/document_loaders/examples/example_data/facebook_chat.json', 'seq_num': 2}), Document(page_content='No Im sorry it was my mistake, the blue one is not for sale', me...
在Langchain中,document_loaders 模块提供了多种文档加载器,用于从不同类型的文件中提取文本内容。对于 .docx 文件,你可以使用 DocxLoader 类来加载文件内容。以下是如何使用 DocxLoader 加载.docx 文件的详细步骤: 导入Langchain库中的document_loaders模块: 首先,你需要确保已经安装了Langchain库。如果还没有安装,...
这些就像是一个个小仓库，帮助你的乐高世界中的智能模型存储和访问信息。Document Loaders 能够将文档加载...
面对过去，不要迷离；面对未来，不必彷徨；活在今天，你只要把自己完全展示给别人看。
import { CSVLoader } from "langchain/document_loaders/fs/csv" import { RecursiveCharacterTextSplitter } from "langchain/text_splitter" import { CHUNK_OVERLAP, CHUNK_SIZE } from "." export const processCSV = async (csv: Blob): Promise<FileItemChunk[]> => { const fileBuffer = Buffer.from...
Each DocumentLoader has its own specific parameters, but they can all be invoked in the same way with the .load method. An example use case is as follows: fromlangchain_community.document_loaders.csv_loaderimportCSVLoader loader=CSVLoader( ...
File /usr/local/lib/python3.9/site-packages/langchain/document_loaders/generic.py:86, in GenericLoader.lazy_load(self) 84 """Load documents lazily. Use this when working at a large scale.""" 85 for blob in self.blob_loader.yield_blobs(): ...
pip install langchain openai unstructured selenium newspaper3k textstat tiktoken faiss-cpuimportosimportgetpassfromlangchain.document_loadersimportWebBaseLoader, UnstructuredURLLoader, NewsURLLoader, SeleniumURLLoaderimporttiktokenimportmatplotlib.pyplotaspltimportpandasaspdimportnltkfromnltk.tokenizeimportsent_...
ModuleNotFoundError: No module named 'langchain.document_loaders' try 'pip install langchain'. or you can clone the repo and install from source as indicated in the docs Anirudh257commentedJun 3, 2023• edited I was able to resolve this issue. Just update your python3 version to >= 3.1...